Wedding Guest Dresses Under $200!! Dress 1 - true to size, size small / Dress 2 - true to size to a little big / size small and it had a little too much fabric in the midsection + a little long / Dress 3 - true to size, size small / Dress 4 - true to size, size small / Dress 5 - true to size, size small / Dress 6 - I sized up to a 6 based on reviews and it was too big, I should have gotten a 4